idnr: 597

	2		3
			4
3
4		1

Difficulty: Super easy (0)

idnr: 1040

			4
	2
		1
3

Difficulty: Super easy (0)

idnr: 486


	1	3
	3	4

Difficulty: Super easy (0)

idnr: 619


2			4
3			1

Difficulty: Super easy (0)